package lab02.test27;
import java.util.Scanner;
public class Test27 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);

        try{
            int a=sc.nextInt();
            System.out.println(a);
        }catch (Exception e){
            System.out.println("错误："+e);
        }


    }
}
